On Tue, Sep 14, 2021 at 04:55:19PM +0200, Mauro Carvalho Chehab wrote: > Even being available since 2005, there's no documentation for > modalias. > > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> > --- > Documentation/ABI/testing/sysfs-bus-pci | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci > index 191cbe9ae5ed..1da4c8db3a9e 100644 > --- a/Documentation/ABI/testing/sysfs-bus-pci > +++ b/Documentation/ABI/testing/sysfs-bus-pci > @@ -187,6 +187,23 @@ Description: > The symbolic link points to the PCI device sysfs entry of the > Physical Function this device associates with. > > +What: /sys/bus/pci/devices/.../modalias > +Date: May 2005 > +Contact: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > +Description: > + This attribute indicates the PCI ID of the device object. > + > + That is in the format: > + pci:vXXXXXXXXdXXXXXXXXsvXXXXXXXXsdXXXXXXXXbcXXscXXiXX, > + where: > + - vXXXXXXXX contains the vendor ID; > + - dXXXXXXXX contains the device ID; > + - svXXXXXXXX contains the sub-vendor ID; > + - sdXXXXXXXX contains the subsystem device ID; > + - bcXX contains the device class; > + - scXX contains the device subclass; > + - iXX contains the device class programming interface. > + > What: /sys/bus/pci/slots/.../module > Date: June 2009 > Contact: linux-pci@xxxxxxxxxxxxxxx > -- > 2.31.1 >
